Detroit chief: 'Troubling times' after officer targeted

Ypsilanti K-9 Police officer Brenden Harrison pets his K-9 Opie after taking a photo of him in front of fallen Wayne State University K-9 Police officer Collin Rose's police SUV during the funeral held for Rose at St. Joan of Arc Catholic Church in St. Clair Shores, Mich., Thursday, Dec. 1, 2016. Rose was shot Nov. 22 as he tried to arrest DeAngelo Davis, who faces murder and gun charges. (Tanya Moutzalias/The Ann Arbor News via AP)
(The Associated Press)

Hundreds of police officers line up to pay their final respects at the funeral of fallen Wayne State University Police officer Collin Rose held at St. Joan of Arc Catholic Church in St. Clair Shores, Mich., Thursday, Dec. 1, 2016. Rose was shot Nov. 22 as he tried to arrest DeAngelo Davis, who faces murder and gun charges. (Tanya Moutzalias/The Ann Arbor News via AP)
(The Associated Press)